{"id":2959,"date":"2018-10-18T03:13:22","date_gmt":"2018-10-18T08:13:22","guid":{"rendered":"https:\/\/www.arbin.com\/?p=2959"},"modified":"2023-02-20T09:41:29","modified_gmt":"2023-02-20T15:41:29","slug":"bewertung-von-batterietestgeraten-05","status":"publish","type":"post","link":"https:\/\/www.arbin.com\/de\/bewertung-von-batterietestgeraten-05-html","title":{"rendered":"Bewertung von Batterietestger\u00e4ten - Teil 5\/12 - Genauigkeit"},"content":{"rendered":"<p><strong>Genauigkeit<\/strong> steht f\u00fcr die Richtigkeit der Messung des Pr\u00fcfger\u00e4ts, d. h. f\u00fcr die Ann\u00e4herung der durchschnittlichen Probe an den wahren Wert.  Die Angabe dieser Metrik erfordert den Vergleich mit einer bekannten Quelle, z. B. einem Hochleistungsmessger\u00e4t.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-3033 size-large\"><img decoding=\"async\" src=\"https:\/\/arbin.com\/wp-content\/uploads\/2018\/10\/Eval-Content-for-Web-04a-1024x315-1.png\" alt=\"Aufzeichnung eines Entladungsimpulses von -200 A auf zwei verschiedenen Pr\u00fcfger\u00e4ten.\" class=\"wp-image-3033\"\/><figcaption class=\"wp-element-caption\">Aufzeichnung eines Entladungsimpulses von -200 A auf zwei verschiedenen Pr\u00fcfger\u00e4ten.<\/figcaption><\/figure>\n\n\n\n<p>Genauigkeit ist nicht mit Rauschen zu verwechseln. Die Beziehung zwischen \"Genauigkeit\" und \"Pr\u00e4zision\" bezieht sich auf das Messrauschen. Wie bereits erw\u00e4hnt, gibt die Genauigkeit an, wie nahe die durchschnittliche Messung am wahren Wert liegt, wobei das Rauschen weitgehend ignoriert wird.  Die Pr\u00e4zision bezieht sich auf die Menge des vorhandenen Rauschens.  Daher kann ein Instrument mit guter Genauigkeit immer noch eine verrauschte Messung haben, wenn es eine schlechte Pr\u00e4zision hat und durch Temperaturschwankungen beeinflusst werden kann.<\/p>\n\n\n\n<p><b>\u00dcbersetzt man dies in Testergebnisse...<br><\/b>Beachten Sie die obige Darstellung und Beschreibung.  Viele Arten von Batterietestger\u00e4ten haben \u00e4hnliche Genauigkeitsspezifikationen, und obwohl dies wichtig ist, sollte es in Kombination mit der Aufl\u00f6sung und Pr\u00e4zision des Ger\u00e4ts bewertet werden.  Die Messgenauigkeit allein kann den wahren Leistungsunterschied der Ger\u00e4te verbergen.<\/p>\n\n\n\n<p>Die Kalibrierung ist ein weiterer Faktor, der bei der Bewertung zu ber\u00fccksichtigen ist.  Batterietestger\u00e4te, die ausreichen, um ein einfaches Handmessger\u00e4t w\u00e4hrend der Kalibrierung zu verwenden, werden keine besseren Ergebnisse als das Messger\u00e4t liefern.  F\u00fcr die Arbin-Kalibrierung ist ein digitales Multimeter mit mindestens 6,5 Ziffern erforderlich, bei einigen Ger\u00e4ten sind sogar 8,5 Ziffern erforderlich.  F\u00fcr die bei allen Werkskalibrierungen verwendeten Messger\u00e4te wird die NIST-R\u00fcckf\u00fchrbarkeit gew\u00e4hrleistet.<\/p>\n\n\n\n<figure class=\"wp-block-image alignleft wp-image-2963\"><img alt=\"\" decoding=\"async\" src=\"https:\/\/arbin.com\/wp-content\/uploads\/2018\/10\/multimeter-handheld-208x300-1.png\" class=\"wp-image-2963\"\/><figcaption class=\"wp-element-caption\">Ungeeignetes Messger\u00e4t f\u00fcr die Kalibrierung<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-2965 size-medium\"><img alt=\"\" decoding=\"async\" src=\"https:\/\/arbin.com\/wp-content\/uploads\/2018\/10\/34461A-meter-300x111-1.png\" class=\"wp-image-2965\"\/><figcaption class=\"wp-element-caption\">F\u00fcr die Kalibrierung sollte ein Messger\u00e4t mit 6,5 Stellen (oder besser) verwendet werden.<\/figcaption><\/figure>\n\n\n\n<p><a href=\"https:\/\/www.arbin.com\/de\/evaluating-battery-test-equipment-01\/\">(1) Aufl\u00f6sung<\/a> | <a href=\"https:\/\/www.arbin.com\/de\/evaluating-battery-test-equipment-02\/\">(2) Pr\u00e4zision<\/a> | <a href=\"https:\/\/www.arbin.com\/de\/evaluating-battery-test-equipment-03\/\">(3) Temperatur<\/a> | <a href=\"https:\/\/www.arbin.com\/de\/evaluating-battery-test-equipment-04\/\">(4) Robustheit<\/a> | (5) <strong>Genauigkeit<\/strong> | <a href=\"https:\/\/www.arbin.com\/de\/evaluating-battery-test-equipment-06\/\">(6) Software<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/www.arbin.com\/de\/request-a-quote\/\"><img alt=\"\" decoding=\"async\" src=\"https:\/\/arbin.com\/wp-content\/uploads\/2018\/10\/Battery-RFQ-cta-e1564021538745-300x58-1.png\" class=\"wp-image-3810\"\/><\/a><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/www.arbin.com\/de\/evaluating-battery-test-equipment-04\/\">Zur\u00fcck\u2190<\/a>&nbsp; |&nbsp; <a href=\"https:\/\/www.arbin.com\/de\/evaluating-battery-test-equipment-06\/\">\u2192Oder weiter zum n\u00e4chsten Abschnitt<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Accuracy represents the trueness of test equipment measurement; the closeness of average sample to its true value.&nbsp; Specifying this metric requires comparison to a known source such as a high-performance meter. Accuracy should not be confused with noise. The relationship between \u201caccuracy\u201d and \u201cprecision\u201d relates to the measurement noise. As stated above, accuracy is how [&hellip;]<\/p>","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[104],"tags":[112,106],"class_list":["post-2959","post","type-post","status-publish","format-standard","hentry","category-arbin-news","tag-accuracy","tag-battery-test-equipment"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/posts\/2959","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/comments?post=2959"}],"version-history":[{"count":0,"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/posts\/2959\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/media?parent=2959"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/categories?post=2959"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/tags?post=2959"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}